<template>
  <!-- 折线图  -->
  <div ref="index" class="index"></div>
</template>
<script setup lang="ts">
import * as echarts from "echarts";
import { ref, reactive, watch, nextTick } from "vue";
// 接收值
let props = defineProps({
  carData: {
    type: Object,
    default: false,
  },
});
// 定义值
let index = ref(); //ref的应用
// 定义加载函数
let initCharts = () => {
  let chart = echarts.init(index.value);
  //props.carData
  let xLabel = ["3.26", "3.27", "3.28", "3.29", "3.30", "3.31"];
  let goToSchool = ["40", "60", "22", "85", "50", "40"];
  let goOutSchool = ["20", "50", "12", "65", "30", "60"];
  let data = [
    {
      name: "上学",
    },
    {
      name: "放学",
    },
  ];
  let option = {
    backgroundColor: "#0e1c47",
    grid: {
      top: "25%",
      right: "10%",
      left: "8%",
      bottom: "10%",
      containLabel: true,
    },
    tooltip: {
      trigger: "axis",
      backgroundColor: "transparent",
      axisPointer: {
        lineStyle: {
          color: {
            type: "linear",
            x: 0,
            y: 0,
            x2: 0,
            y2: 1,
            colorStops: [
              {
                offset: 0,
                color: "rgba(126,199,255,0)", // 0% 处的颜色
              },
              {
                offset: 0.5,
                color: "rgba(126,199,255,1)", // 100% 处的颜色
              },
              {
                offset: 1,
                color: "rgba(126,199,255,0)", // 100% 处的颜色
              },
            ],
            global: false, // 缺省为 false
          },
        },
      },
      formatter: (p: any) => {
        let dom = `<div style="width: 79px;
	height: 50px;;color:#fff;position: relative;">
        <svg style="position: absolute;top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);" class="svg" xmlns="http://www.w3.org/2000/svg" width="100" height="71" viewBox="0 0 84 55">
      <defs>
        <style>
          .cls-1 {
            fill: #07172c;
            fill-opacity: 0.8;
            stroke: #a7d8ff;
            stroke-linejoin: round;
            stroke-opacity: 0.2;
            stroke-width: 1px;
            fill-rule: evenodd;
          }

        </style>
      </defs>
      <path id="矩形_419" data-name="矩形 419" class="cls-1" d="M266,595h74v50H266V624.046L261,620l5-3.984V595Z"
        transform="translate(-258.5 -592.5)" />
    </svg>
        <div style="padding: 4px 8px 4px 14px;display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;position: relative;z-index: 1;">
            <div style="margin-bottom: 4px;width:100%;display:${
              p[0] ? "flex" : "none"
            };justify-content:space-between;align-items:center;">
                <span style="font-size:14px;color:#7ec7ff;">${
                  p[0] ? p[0].seriesName : ""
                }</span>
                <span style="font-size:14px;color:#fff;">${
                  p[0] ? p[0].data : ""
                }</span>
            </div>
            <div style="width:100%;height:100%;display:${
              p[1] ? "flex" : "none"
            };justify-content:space-between;align-items:center;">
                <span style="font-size:14px;color:#7ec7ff;">${
                  p[1] ? p[1].seriesName : ""
                }</span>
                <span style="font-size:14px;color:#fff;">${
                  p[1] ? p[1].data : ""
                }</span>
            </div>
        </div>
    </div>`;
        return dom;
      },
    },
    legend: {
      align: "left",
      right: "5%",
      top: "14%",
      type: "plain",
      textStyle: {
        color: "#7ec7ff",
        fontSize: 14,
      },
      // icon:'rect',
      itemGap: 10,
      itemWidth: 18,
      icon: "path://M0 2a2 2 0 0 1 2 -2h14a2 2 0 0 1 2 2v0a2 2 0 0 1 -2 2h-14a2 2 0 0 1 -2 -2z",

      data: data,
    },
    xAxis: [
      {
        type: "category",
        boundaryGap: false,
        axisLine: {
          //坐标轴轴线相关设置。数学上的x轴
          show: true,
          lineStyle: {
            color: "#233653",
          },
        },
        axisLabel: {
          //坐标轴刻度标签的相关设置
          textStyle: {
            color: "#7ec7ff",
            padding: 16,
            fontSize: 14,
          },
          formatter: function (data: any) {
            return data;
          },
        },
        splitLine: {
          show: true,
          lineStyle: {
            color: "#192a44",
          },
        },
        axisTick: {
          show: false,
        },
        data: xLabel,
      },
    ],
    yAxis: [
      {
        name: "人数",
        nameTextStyle: {
          color: "#7ec7ff",
          fontSize: 14,
        },
        min: 0,
        splitLine: {
          show: true,
          lineStyle: {
            color: "#192a44",
          },
        },
        axisLine: {
          show: true,
          lineStyle: {
            color: "#233653",
          },
        },
        axisLabel: {
          show: true,
          textStyle: {
            color: "#7ec7ff",
            padding: 16,
          },
          formatter: function (value: any) {
            if (value === 0) {
              return value;
            }
            return value;
          },
        },
        axisTick: {
          show: false,
        },
      },
    ],
    series: [
      {
        name: "上学",
        type: "line",
        symbol: "circle", // 默认是空心圆（中间是白色的），改成实心圆
        showAllSymbol: true,
        symbolSize: 0,
        smooth: true,
        lineStyle: {
          normal: {
            width: 1,
            color: "rgba(25,163,223,1)", // 线条颜色
          },
          borderColor: "rgba(0,0,0,.4)",
        },
        itemStyle: {
          color: "rgba(25,163,223,1)",
          borderColor: "#646ace",
          borderWidth: 1,
        },
        markLine: {
          //安全基线
          silent: true,
          lineStyle: {
            normal: {
              color: "#01fef9", // 这儿设置安全基线颜色
            },
          },
          data: [
            {
              xAxis: "3.27",
            },
          ],
          label: {
            normal: {
              formatter: "社平\n工资", // 这儿设置安全基线
            },
          },
        },
        tooltip: {
          show: true,
        },
        areaStyle: {
          //区域填充样式
          normal: {
            //线性渐变，前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’，则该四个值是绝对像素位置。
            color: new echarts.graphic.LinearGradient(
              0,
              0,
              0,
              1,
              [
                {
                  offset: 0,
                  color: "rgba(25,163,223,.3)",
                },
                {
                  offset: 1,
                  color: "rgba(25,163,223, 0)",
                },
              ],
              false
            ),
            shadowColor: "rgba(25,163,223, 0.5)", //阴影颜色
            shadowBlur: 10, //shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。
          },
        },
        data: goToSchool,
      },
      {
        name: "放学",
        type: "line",
        symbol: "circle", // 默认是空心圆（中间是白色的），改成实心圆
        showAllSymbol: true,
        symbolSize: 0,
        smooth: true,
        lineStyle: {
          normal: {
            width: 1,
            color: "rgba(10,219,250,1)", // 线条颜色
          },
          borderColor: "rgba(0,0,0,.4)",
        },
        itemStyle: {
          color: "rgba(10,219,250,1)",
          borderColor: "#646ace",
          borderWidth: 1,
        },
        tooltip: {
          show: true,
        },
        areaStyle: {
          //区域填充样式
          normal: {
            //线性渐变，前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’，则该四个值是绝对像素位置。
            color: new echarts.graphic.LinearGradient(
              0,
              0,
              0,
              1,
              [
                {
                  offset: 0,
                  color: "rgba(10,219,250,.3)",
                },
                {
                  offset: 1,
                  color: "rgba(10,219,250, 0)",
                },
              ],
              false
            ),
            shadowColor: "rgba(10,219,250, 0.5)", //阴影颜色
            shadowBlur: 10, //shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。
          },
        },
        data: goOutSchool,
      },
    ],
  };

  chart.setOption(option, true);
  // 当窗口大小改变时候，echarts重置大小
  window.addEventListener("resize", () => {
    chart.resize();
  });
};

// 监听当配置项发生变化的时候，调用加载函数
watch(
  () => props.carData,
  (val) => {
    if (Object.keys(val)) {
      nextTick(() => {
        initCharts();
      });
    }
  },
  { immediate: true }
);
</script>

<style scoped lang="less">
.index {
  width: 100%;
  height: 200px;
}
</style>
